TY  - BOOK
AU  - Harlen, Wynne
AU  - Elstgeest, Jos(jt.auth)
TI  - UNESCO sourcebook for science in the primary school: : a workshop approach to teacher education
SN  - 9231027212
U1  - 372.3 
PY  - 1992///
CY  - Paris
PB  - UNESCO
KW  - Education, Elementry
N1  - Includes bibliography
ER  -